XML 64 R49.htm IDEA: XBRL DOCUMENT
v3.8.0.1

SEGMENT INFORMATION - Operating Revenue and Operating Income by Operating Segment (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Segment Reporting Information [Line Items] |  |
Operating revenue | $ 865.7 | $ 832.2
Operating income | 144.2 | 218.6
General Corporate Expense |  |
Segment Reporting Information [Line Items] |  |
Operating income | (123.6) | (61.2)
U.S. Information Solutions | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Operating revenue | 306.9 | 310.1
Operating income | 110.9 | 129.7
International | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Operating revenue | 244.5 | 216.2
Operating income | 36.7 | 29.8
Workforce Solutions | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Operating revenue | 211.1 | 200.0
Operating income | 90.1 | 89.5
Global Consumer Solutions | Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Operating revenue | 103.2 | 105.9
Operating income | $ 30.1 | $ 30.8

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_SalesRevenueServicesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=efx_UnitedStatesConsumerInformationSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=efx_InternationalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=efx_WorkforceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=efx_GlobalConsumerSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |